• Nicholas Humphrey
    Psychologist, London School of Economics; Author, Soul Dust

  • This image was painted on the wall of a cave in Vilafames, Spain, about 15000 years ago. When I came across it in 2006 I was taken aback to see its resemblance to a drawing I had made a few years earlier to illustrate the interiority -- and privacy -- of consciousness. Was the Neolithic artist giving us a map of what it's like to be human?